Ken Griffin acquired 36.2 Thousand United Therapeutics shares worth $10.5 Million. That's 0.01% of their equity portfolio (1166th largest holding). The first United Therapeutics trade was made in Q2 2013. Since then Ken Griffin bought shares 55 more times and sold shares on 58 occasions. The investor's estimated purchase price is $12.9 Million, resulting in a loss of 19%.